47P/Ashbrook-Jackson Orbit by T. Kobayashi NK 4977 (2022) Observed in 1st half of 2026
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Oct. 27.97779 2.8074880 0.3178003 8.35 357.91348 356.88192 13.04003 0.200 2026 June 9.0 m1 = 4.5 + 5 log Delta + 18.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Daily motion Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , m , m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 23 18.24 -01 26.8 23 20.81 -01 10.3 2.988 2.832 +1.15 + 9.8 15.0 19.9/ 61 71.4 19.2 66/1.19 61 .84 2026 Jan. 10 23 29.79 +00 10.7 23 32.35 +00 27.3 3.121 2.840 +1.23 +10.1 15.1 21.1/ 61 64.5 18.2 65/1.08 162 .56 20 23 42.11 +01 52.0 23 44.67 +02 08.7 3.248 2.849 +1.30 +10.5 15.2 22.1/ 62 57.8 17.0 64/0.97 45 .01 30 23 55.08 +03 36.6 23 57.64 +03 53.3 3.369 2.859 +1.35 +10.7 15.3 22.8/ 62 51.4 15.6 63/0.87 89 .89 Feb. 9 00 08.57 +05 23.4 00 11.14 +05 40.1 3.481 2.871 +1.39 +10.8 15.5 23.4/ 62 45.1 14.1 62/0.76 141 .55 19 00 22.51 +07 11.9 00 25.08 +07 28.5 3.584 2.883 +1.43 +10.9 15.5 23.9/ 63 38.9 12.4 61/0.65 21 .03 Mar. 1 00 36.82 +09 01.2 00 39.41 +09 17.7 3.677 2.896 +1.46 +10.9 15.6 24.2/ 63 33.0 10.7 60/0.55 116 .93 11 00 51.43 +10 50.6 00 54.05 +11 06.9 3.759 2.911 +1.49 +10.9 15.7 24.4/ 63 27.1 8.9 57/0.45 121 .54 21 01 06.32 +12 39.4 01 08.95 +12 55.4 3.831 2.926 +1.51 +10.7 15.8 24.5/ 64 21.4 7.1 54/0.35 5 .05 31 01 21.42 +14 26.8 01 24.09 +14 42.5 3.890 2.942 +1.53 +10.5 15.9 24.5/ 64 15.9 5.3 49/0.26 140 .95 Apr. 10 01 36.71 +16 12.3 01 39.40 +16 27.5 3.937 2.959 +1.55 +10.2 16.0 24.4/ 65 10.8 3.7 37/0.18 102 .52 20 01 52.14 +17 55.2 01 54.88 +18 09.9 3.972 2.977 +1.56 + 9.9 16.0 24.2/ 65 6.9 2.3 10/0.11 31 .09 30 02 07.68 +19 34.9 02 10.46 +19 49.0 3.994 2.996 +1.56 + 9.5 16.1 24.0/ 66 6.6 2.2 321/0.11 163 .97 May 10 02 23.29 +21 11.0 02 26.11 +21 24.5 4.004 3.015 +1.57 + 9.1 16.1 23.6/ 67 10.2 3.4 291/0.16 81 .49 20 02 38.92 +22 43.1 02 41.78 +22 55.9 4.001 3.036 +1.56 + 8.7 16.2 23.2/ 67 15.2 5.0 279/0.24 58 .15 30 02 54.51 +24 10.8 02 57.42 +24 22.9 3.985 3.057 +1.55 + 8.2 16.2 22.7/ 68 20.5 6.7 273/0.32 175 .98 June 9 03 10.01 +25 34.0 03 12.97 +25 45.2 3.957 3.078 +1.54 + 7.8 16.3 22.1/ 69 26.1 8.3 270/0.40 58 .44 19 03 25.34 +26 52.6 03 28.34 +27 02.9 3.917 3.101 +1.51 + 7.3 16.3 21.4/ 69 31.8 10.0 269/0.48 85 .20 29 03 40.40 +28 06.4 03 43.46 +28 15.9 3.865 3.123 +1.48 + 6.8 16.3 20.6/ 70 37.7 11.5 268/0.56 154 .99 July 9 03 55.11 +29 15.7 03 58.21 +29 24.3 3.802 3.147 +1.43 + 6.4 16.4 19.6/ 70 43.7 12.9 267/0.64 32 .37 19 04 09.33 +30 20.8 04 12.48 +30 28.4 3.729 3.171 +1.36 + 6.0 16.4 18.5/ 70 49.9 14.2 267/0.72 110 .26 29 04 22.93 +31 22.0 04 26.11 +31 28.7 3.646 3.195 +1.29 + 5.7 16.4 17.3/ 70 56.3 15.3 267/0.79 131 1.00 Aug. 8 04 35.75 +32 19.8 04 38.97 +32 25.6 3.554 3.220 +1.19 + 5.4 16.4 15.9/ 69 62.9 16.3 267/0.86 6 .29 18 04 47.60 +33 14.8 04 50.86 +33 19.9 3.454 3.245 +1.07 + 5.2 16.4 14.3/ 68 69.7 17.0 267/0.92 135 .30 28 04 58.27 +34 07.8 05 01.56 +34 12.1 3.348 3.271 +0.93 + 5.1 16.4 12.5/ 65 76.9 17.5 267/0.97 105 1.00 Sept. 7 05 07.53 +34 59.3 05 10.85 +35 03.0 3.239 3.297 +0.76 + 5.0 16.4 10.6/ 61 84.4 17.7 266/1.02 31 .21 17 05 15.11 +35 50.0 05 18.47 +35 53.1 3.128 3.324 +0.57 + 5.0 16.4 8.5/ 54 92.3 17.6 265/1.04 161 .33 27 05 20.75 +36 40.1 05 24.13 +36 42.8 3.017 3.350 +0.35 + 4.9 16.3 6.4/ 40 100.6 17.1 264/1.05 75 1.00 Oct. 7 05 24.17 +37 29.3 05 27.58 +37 31.8 2.912 3.377 +0.10 + 4.7 16.3 4.9/ 14 109.4 16.2 262/1.03 65 .15 17 05 25.13 +38 16.9 05 28.56 +38 19.3 2.814 3.404 -0.16 + 4.4 16.3 4.8/337 118.5 14.9 258/0.98 164 .34 27 05 23.49 +39 00.9 05 26.94 +39 03.4 2.728 3.432 -0.42 + 3.8 16.3 6.2/308 128.1 13.2 254/0.89 40 .99 Nov. 6 05 19.27 +39 38.6 05 22.74 +39 41.5 2.660 3.460 -0.66 + 2.9 16.3 8.1/291 137.9 11.1 247/0.77 103 .11 16 05 12.70 +40 06.9 05 16.18 +40 10.2 2.612 3.487 -0.83 + 1.6 16.3 9.7/280 147.6 8.7 237/0.62 133 .36 26 05 04.36 +40 22.3 05 07.85 +40 26.2 2.589 3.515 -0.93 + 0.1 16.4 10.6/271 156.3 6.5 219/0.46 13 .97 Dec. 6 04 55.07 +40 23.0 04 58.55 +40 27.6 2.594 3.543 -0.93 - 1.3 16.5 10.7/264 161.8 5.0 188/0.36 141 .09 16 04 45.81 +40 08.9 04 49.27 +40 14.1 2.628 3.572 -0.83 - 2.6 16.5 9.9/255 160.8 5.2 149/0.37 96 .38 26 04 37.56 +39 42.2 04 40.99 +39 47.9 2.690 3.600 -0.65 - 3.5 16.7 8.3/246 154.0 6.9 122/0.47 49 .94 2027 Jan. 5 04 31.05 +39 06.7 04 34.45 +39 12.9 2.780 3.628 -0.43 - 4.0 16.8 6.4/232 144.9 9.0 107/0.60 168 .07 15 04 26.77 +38 26.9 04 30.15 +38 33.4 2.893 3.657 -0.19 - 4.0 16.9 4.6/209 135.1 10.9 98/0.70 58 .41 25 04 24.93 +37 46.7 04 28.28 +37 53.4 3.027 3.685 +0.05 - 3.8 17.1 3.8/171 125.3 12.6 92/0.77 88 .91 Feb. 4 04 25.47 +37 09.2 04 28.81 +37 15.8 3.177 3.713 +0.28 - 3.3 17.3 4.7/135 115.8 13.8 88/0.81 144 .06 14 04 28.25 +36 35.9 04 31.58 +36 42.3 3.338 3.742 +0.48 - 2.9 17.4 6.4/116 106.6 14.7 86/0.82 23 .46 24 04 33.04 +36 07.6 04 36.36 +36 13.7 3.507 3.770 +0.65 - 2.4 17.6 8.3/106 97.7 15.1 84/0.80 122 .88 Mar. 6 04 39.56 +35 44.2 04 42.88 +35 49.8 3.680 3.798 +0.80 - 2.0 17.8 10.0/101 89.2 15.1 82/0.77 116 .05